What type of threads are these? Metric/Sae What is the pitch. I have a "Hard ultimate raching machine & Tool " set up kit but I can not get the provided nuts to screw on to the wheel hubs. If I use the HOBAO nuts they will not tighten/snug up the alignment parts. It also seems I can not use my Ravager wheel nuts also?? n Thank you for your assistance.

The best advice I can give is to use 13x16 shims to take up the slack. They fit, I double checked. It's just a matter of how many you'll need. Maybe get a couple/few packages...Here's a link of the Kyosho shims which has 10 to a package...